Surgical stapler



FIG. 1 is a top plan view of a surgical stapler showing our new design;

FIG. 2 is a side elevational view, the opposite side being a mirror image thereof;

FIG. 3 is a front end elevational view thereof;

FIG. 4 is a rear end elevational view thereof;

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a surgical stapler, substantially as shown. 